Hoof boot



FIG. 1 is a bottom view of the tread of a hoof boot showing my new invention;

FIG. 2 is a first side view thereof;

FIG. 3 is a second side view thereof; and,

FIG. 4 is a side perspective view.

The broken lines environment is for illustrative purpose and forms no part of the claimed design. 

The ornamental design for a hoof boot, as shown and described. 